ArticleMolecules (Basel, Switzerland)2023
Hydraulic Retention Time as an Operational Tool for the Production of Short-Chain Carboxylates via Anaerobic Fermentation of Carbohydrate-Rich Waste.
Article in Molecules (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Open-mixed fermentative culture as a feasible strategy to valorize agroindustrial residues into lactic acid.AMB Express · 2026Article
- Recent advances in microbial production of odd-chain fatty acids.World journal of microbiology & biotechnology · 2026Review
- Anaerobic sequencing batch reactor enhances short-chain fatty acids productivity while facilitating downstream processing.Frontiers in microbiology · 2026Article
- Indigenous microbiome as a key strategy for producing green chemicals.Frontiers in microbiology · 2026Article
- Microbial-driven valorization of tannery sludge for fatty acids production: unraveling microbiome activity and functional redundancy.Frontiers in microbiology · 2025Article
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Authors and funding
3 authors.
Funding
Abstract
The carboxylate platform is a sustainable and cost-effective way to valorize wastes into biochemicals that replace those of fossil origin. Short-chain fatty acids (SCFAs) are intermediates generated during anaerobic fermentation (AF) and are considered high-value-added biochemicals among carboxylates. This investigation aimed to produce SCFAs through the AF of sugar beet molasses at 25 °C and semi-continuous feeding mode in completely stirred tank reactors. A particular focus was devoted to the role of hydraulic retention time (HRT) variation in SCFAs production and distribution profile. The highest SCFAs concentration (44.1 ± 2.3 gCOD/L) was reached at the HRT of 30 days. Caproic acid accounted for 32.5-35.5% (COD-concentration basis) at the long HRTs of 20 and 30 days due to the carbon chain elongation of shorter carboxylic acids. The findings of this study proved that HRT could be used to steer the anaerobic process toward the targeted SCFAs for specific uses. Furthermore, the successful operation at low-temperature conditions (i.e., 25 °C) makes the process economically promising.
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Registered trials
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